ID   TRBB_ECOLI              Reviewed;         181 AA.
AC   P18035;
DT   01-NOV-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-2000, sequence version 2.
DT   03-AUG-2022, entry version 116.
DE   RecName: Full=Protein TrbB;
DE   Flags: Precursor;
GN   Name=trbB; OrderedLocusNames=ECOK12F095;
OS   Escherichia coli (strain K12).
OG   Plasmid F.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=83333;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=K12;
RX   PubMed=2536655; DOI=10.1128/jb.171.1.213-221.1989;
RA   Wu J.H., Ippen-Ihler K.;
RT   "Nucleotide sequence of traQ and adjacent loci in the Escherichia coli K-12
RT   F-plasmid transfer operon.";
RL   J. Bacteriol. 171:213-221(1989).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=7915817; DOI=10.1128/mr.58.2.162-210.1994;
RA   Frost L.S., Ippen-Ihler K., Skurray R.A.;
RT   "Analysis of the sequence and gene products of the transfer region of the F
RT   sex factor.";
RL   Microbiol. Rev. 58:162-210(1994).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K12 / CR63;
RA   Shimizu H., Saitoh Y., Suda Y., Uehara K., Sampei G., Mizobuchi K.;
RT   "Complete nucleotide sequence of the F plasmid: its implications for
RT   organization and diversification of plasmid genomes.";
RL   Submitted (APR-2000) to the EMBL/GenBank/DDBJ databases.
CC   -!- SUBCELLULAR LOCATION: Periplasm.
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DR   EMBL; U01159; AAC44204.1; -; Genomic_DNA.
DR   EMBL; M20787; AAC63067.1; -; Genomic_DNA.
DR   EMBL; AP001918; BAA97965.1; -; Genomic_DNA.
DR   PIR; E32238; BVECTB.
DR   RefSeq; NP_061474.1; NC_002483.1.
DR   RefSeq; WP_000059850.1; NZ_CP014273.1.
DR   AlphaFoldDB; P18035; -.
DR   DIP; DIP-28104N; -.
DR   PRIDE; P18035; -.
DR   PATRIC; fig|83333.107.peg.617; -.
DR   PRO; PR:P18035; -.
DR   GO; GO:0042597; C:periplasmic space; IEA:UniProtKB-SubCell.
DR   InterPro; IPR014109; Thiol-disulphide_isomerase_rbB.
DR   InterPro; IPR036249; Thioredoxin-like_sf.
DR   InterPro; IPR013766; Thioredoxin_domain.
DR   InterPro; IPR039555; TraF/TrbB.
DR   Pfam; PF13728; TraF; 1.
DR   SUPFAM; SSF52833; SSF52833; 1.
DR   TIGRFAMs; TIGR02738; TrbB; 1.
DR   PROSITE; PS51352; THIOREDOXIN_2; 1.
PE   3: Inferred from homology;
KW   Conjugation; Periplasm; Plasmid; Signal.
FT   SIGNAL          1..22
FT                   /evidence="ECO:0000255"
FT   CHAIN           23..181
FT                   /note="Protein TrbB"
FT                   /id="PRO_0000024511"
FT   DOMAIN          37..172
FT                   /note="Thioredoxin"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00691"
FT   CONFLICT        145..146
FT                   /note="Missing (in Ref. 1 and 2)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   181 AA;  19719 MW;  D3813EA3993A77DD CRC64;
     MSLTKSLLFT LLLSAAAVQA STRDEIERLW NPQGMATQPA QPAAGTSART AKPAPRWFRL
     SNGRQVNLAD WKVVLFMQGH CPYCHQFDPV LKQLAQQYGF SVFSYTLDGQ GDTAFPEALP
     VPPDVMQTFF PNIPVATPTT FLVNVNTLEA LPLLQGATDA AGFMARVDTV LQMYGGKKGA
     K